dash.el/NEWS.md

Dash NEWS -- history of user-visible changes

Copyright (C) 2012-2021 Free Software Foundation, Inc.

See the end of the file for license conditions.

Change log

From 2.16 to 2.17

• Sped up -uniq by using hash-tables when possible (@cireu, #305).
• Fixed -inits to be non-destructive (@SwiftLawnGnome, #313).
• Fixed indent rules for -some-> and family (@wbolster, #321).
• Added -zip-lists which always returns a list of proper lists, even for two input lists (see issue #135).

From 2.15 to 2.16

• Added --doto, anaphoric version of -doto (#282).
• Aliased -cons-pair-p to -cons-pair? (#288).
• Generalized -rotate for |N| greater than the length of the list (@leungbk, #290).
• Added a mechanism to extend destructuring with custom matchers (@yyoncho, #277).

From 2.14 to 2.15

This release brings new destructuring features, some new control flow functions and performance optimizations.

• Added -setq with destructuring binding support similar to the -let family (#116).
• Added smarter key destructuring in -let and friends where variables are auto-derived from keys (#111).
• Allowed -let bindings without a source value form (#256).
• Added -each-r and -each-r-while (@doublep, #159).
• Added -common-suffix (@basil-conto, #263).
• Improved performance of folds (-reduce and friends) (@basil-conto, #264).

From 2.13 to 2.14

This release retired Emacs 23 support.

• Added Edebug support for threading macros (@Wilfred).
• Added -unzip.
• Added support for -first-item and -last-item as place forms.
• Added -powerset and -permutations (@holomorph).
• Added -as-> for threading a named variable (@zck).
• Added -partition-after-pred, -partition-before-pred, -partition-after-item, and -partition-before-item (@zck).
• Fixed a bug in -any-p and friends testing for null on lists containing nil (#239).
• Fixed infinite loop bug in -zip and -interleave when called with empty input.
• Added -second-item through -fifth-item as alternatives to nth (@Wilfred).
• Added -tails and -inits.
• Added -running-sum and -running-product.
• Added the -reductions[-r][-from] family of functions (like -reduce but collecting intermediate results).
• Added -common-prefix (@basil-conto).

From 2.12 to 2.13

• -let now supports &alist destructuring.
• Various performance improvements.
• -zip might change in a future release to always return a list of proper lists. Added -zip-pair for users who explicitly want the old behavior.
• Enabled lexical binding in dash.el for Emacs versions 24 or newer (#130).
• Added -select-column and -select-columns.
• Fixed -map-last and --remove-last to be non-destructive (#158).
• Added -each-indexed and --each-indexed.
• Added -take-last and -drop-last.
• Added the -doto macro.
• -cut <> is now treated as a function, consistent with SRFI 26 (#185).

From 2.11 to 2.12

• Added GNU ELPA support (Phillip Lord).
• Added -some->, -some->>, and -some--> macros (Cam Saul).
• -is-suffix? is now non-destructive.
• Faster hash table implementation for -union.
• Improvements to docstrings and examples.

From 2.10 to 2.11

• Lots of clean up w.r.t. byte compilation, debug macros, and tests.

From 2.9 to 2.10

• Added -let destructuring to -if-let and -when-let (Fredrik Bergroth).

From 2.8 to 2.9

• Added -let, -let*, and -lambda with destructuring.
• Added -tree-seq and -tree-map-nodes.
• Added -non-nil.
• Added -fix.
• Added -fixfn (dash-functional version 1.2).
• Added -copy (Wilfred Hughes).

From 2.7 to 2.8

• Added -butlast.

From 2.6 to 2.7

• -zip now supports more than two lists (Steve Lamb).
• Added -cycle, -pad, -annotate, and -zip-fill (Steve Lamb).
• Added -table, -table-flat (finite Cartesian product).
• Added -flatten-n.
• -slice now supports a "step" argument.
• Added functional combinators -iteratefn and -prodfn.
• Added -replace, -splice, and -splice-list which generalize -replace-at and -insert-at.
• Added -compose, -iteratefn, and -prodfn (dash-functional version 1.1).

From 2.5 to 2.6

• Added -is-prefix-p, -is-suffix-p, and -is-infix-p (Matus Goljer).
• Added -iterate and -unfold (Matus Goljer).
• Added -split-on and -split-when (Matus Goljer).
• Added -find-last-index (Matus Goljer).
• Added -list (Johan Andersson).

From 2.4 to 2.5

• Added -same-items? (Johan Andersson).
• Various bugfixes.

From 2.3 to 2.4

• Added -snoc (Matus Goljer).
• Added -replace-at, -update-at, -remove-at, and -remove-at-indices (Matus Goljer).

From 2.2 to 2.3

• Added tree operations (Matus Goljer).
• Made Font Lock optional.

From 2.1 to 2.2

• Added -compose (Christina Whyte).

From 2.0 to 2.1

• Added indexing operations (Matus Goljer).

From 1.8 to 2.0

• Split out dash-functional.el (Matus Goljer).
• Added -andfn, -orfn, -not, -cut, -const, -flip, and -on (Matus Goljer).
• Fixed -min, -max, -min-by, and -max-by (Matus Goljer).

From 1.7 to 1.8

• Added -first-item and -last-item (Wilfred Hughes).

From 1.6 to 1.7

• Added -rotate (Matus Goljer).

From 1.5 to 1.6

• Added -min, -max, -min-by, and -max-by (Johan Andersson).

From 1.4 to 1.5

• Added -sum and -product (Johan Andersson).

From 1.3 to 1.4

• Added -sort.
• Added -reduce-r (Matus Goljer).
• Added -reduce-r-from (Matus Goljer).

From 1.2 to 1.3

• Added -partition-in-steps.
• Added -partition-all-in-steps.

From 1.1 to 1.2

• Added -last (Matus Goljer).
• Added -insert-at (Emanuel Evans).
• Added -when-let and -if-let (Emanuel Evans).
• Added -when-let* and -if-let* (Emanuel Evans).
• Various bugfixes.

License

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see https://www.gnu.org/licenses/.